PartsTable
Technical Data Sheet

LE161/91 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LE161/91: GASKET.

The GASKET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-315-2345, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LE161/91
NSN: 5330-01-315-2345
FSC: 5330 — Packing and Gasket Materials
CAGE: 1TH76 — ROLLS-ROYCE MARINE NORTH AMERICA INC (USA)
SPECIFICATIONS
Part NumberLE161/91
NSN5330-01-315-2345
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LE161/91 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
90649Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LE161/91?
LE161/91 is a GASKET.
What parts can replace LE161/91?
There is 1 known substitute for LE161/91: 90649. Substitute compatibility should be verified for your specific system.
What is the NSN for LE161/91?
LE161/91 is cataloged in the U.S. Government catalog under NSN 5330-01-315-2345. This indicates validated use in U.S. government and defense supply chains.
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